13531896 has 48 divisors (see below), whose sum is σ = 41886000. Its totient is φ = 3866112.

The previous prime is 13531891. The next prime is 13531919. The reversal of 13531896 is 69813531.

It is a happy number.

It is a super-2 number, since 2×13531896² = 366224418709632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13531896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12921 + ... + 13928.

It is an arithmetic number, because the mean of its divisors is an integer number (872625).

Almost surely, 2^13531896 is an apocalyptic number.

It is an amenable number.

13531896 is an abundant number, since it is smaller than the sum of its proper divisors (28354104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13531896 is a wasteful number, since it uses less digits than its factorization.

13531896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26868 (or 26861 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 13531896 is about 3678.5725492370. The cubic root of 13531896 is about 238.2975352800.

It can be divided in two parts, 1353 and 1896, that added together give a square (3249 = 57²).

The spelling of 13531896 in words is "thirteen million, five hundred thirty-one thousand, eight hundred ninety-six".